UNESCO First Day Envelope

1⁸⁰ BGN
€ 0⁹² 

5d 23h 28m

stemi999 (256)

First Day Cover UNESCO 1946 1976

300⁰⁰ BGN
€ 153³⁹ 

6d 21h 3m

playgolf (126)

First Day Envelope Airships, First Day, 2000

5⁰⁰ BGN
€ 2⁵⁶ 

14h 13m 36s

emmy (626)

UNESCO First Day Envelope

1⁵⁰ BGN
€ 0⁷⁷ 

5d 23h 28m

stemi999 (256)

First Day Mailing Envelope Airships, First Day, 2000

5⁰⁰ BGN
€ 2⁵⁶ 

14h 13m 36s

emmy (626)

Postal envelope - Bulgaria 25 years a member of UNESCO

1²⁰ BGN
€ 0⁶¹ 

9d 14h 23m

old_art (208)

1983. France - UNESCO. UNESCO World Heritage Site.

2⁵⁰ BGN
€ 1²⁸ 

3d 23h 58m

despot55 (404)

1981. France - UNESCO. World Heritage by UNESCO.

1³⁰ BGN
€ 0⁶⁶ 

4d 10h 53m

despot55 (404)

UNESCO postal envelope

1⁰⁰ BGN
€ 0⁵¹ 

2d 3h 8m

stemi999 (256)

266660 / Bulgaria IPTZ 1984 - Pleven Day of the UN and UNESCO

0⁵⁰ BGN
€ 0²⁶ 

3d 16h 8m

Stamps_Tim (381)

1981. France - UNESCO. World Heritage by UNESCO.

1³⁰ BGN
€ 0⁶⁶ 

4d 10h 53m

despot55 (404)

UNESCO First Day Envelope

0⁸⁰ BGN
€ 0⁴¹ 

6d 0h 58m

stemi999 (256)

First Day Cover - Bulgaria 25 Years Member of UNESCO

1⁰⁰ BGN
€ 0⁵¹ 

4d 11h 43m

sk-phila (340)

First day Envelope FDC UNESCO

7⁰⁰ BGN
€ 3⁵⁸ 

5d 23h 28m

stemi999 (256)

Traveled envelope bearing the UNESCO 2011 cathedral from Germany

0⁶⁰ BGN
€ 0³¹ 

2d 14h 43m

ESCC1 (273)

UNESCO First Day Envelope

0⁸⁰ BGN
€ 0⁴¹ 

6d 0h 58m

stemi999 (256)

1981. France - UNESCO. World Heritage by UNESCO.

1³⁰ BGN
€ 0⁶⁶ 

4d 10h 53m

despot55 (404)

Book UNESCO A Legacy for all UNESCO

45⁹⁹ BGN
€ 23⁵¹ 

2d 0h 33m

crazzy_kami (201)